The gulls flew off, wings flapping.
海鸥扑打着双翅飞走了。
As feathers became larger over time, flapping flight evolved and birds finally became fully air-borne.
随着时间的推移，羽毛变得越来越大，扑翼飞行逐渐发展，鸟类最终完全可以在空中飞行。
She walked up and down, flapping her arms to keep warm.
她来回走动，挥动着双臂使身体暖和起来。
The eagle can soar without flapping their wings.
老鹰无需振翼就能翱翔。
The poor young ravens lay upon the ground, flapping their wings, and crying: "Oh, what helpless chicks we are!"
可怜的小乌鸦躺在地上，拍着翅膀，叫道：“噢，我们是多么无助的小雏鸟啊！”
The two insects have complex flight mechanisms with major muscles in the thorax, the chest region, which power the flapping of wings.
这两种昆虫的飞行机理比较复杂，胸部长有较多肌肉，这样它们才能有力量振动翅膀。
"Angry Birds" is flapping from touch screens to big screens, books and toys. Will one of the best-known mobile apps become an entertainment franchise?
“愤怒的小鸟”已经从触屏手机飞到了电影院、图书和玩具上，那这个最出名的手机应用程序之一会不会成为娱乐产业呢？
Coloured flags were flapping in the wind.
彩旗在风中飘荡。
Each time it lands, its wings stop flapping and their colours come into focus.
每当落下的时候，它的翅膀平展开来，颜色清楚地展现出来。
To enable flapping detection, you'll need to set flap_detection directives to 1.
要启动震荡检测，需要将flap _ detection指令设为1。
The new work, Daniel says, uncovers the flight signatures of flapping, flexible wings.
丹尼尔说，这项新的研究揭示了拍动式柔性翼的飞行特征。
He just kept flapping and kicking, and I was thinking, 'I'm trying to rescue you.'
一个劲不停地拍翅踢脚，而我在想，'我是想救你。
Heels also look a lot better with pencil skirts than with trousers flapping around them.
高跟鞋配铅笔裙也要比配罩在四周的裤子好看的。
Furiously flapping, a chukar partridge speeds up a ramp at the University of Montana flight lab.
在蒙大拿大学飞行实验室中，一只石鸡拼命扇动翅膀加速冲上斜坡。
It would be like him to trot after me, his navy blazer flapping, just to eke the truth out of me.
好像他小跑跟在我身后，他那海军蓝的上衣随风飘动，只是为了逼我把事实说出来。
It would be wrong for us to start flapping about now and say that we didn't know what we were doing.
现在开始动摇，说我们不知道自己在干什么可不对。
It followed them, flapping double time, until it caught up, until it joined the last end of the elegant line.
它紧跟着天鹅，加倍抖动着双翅，终于赶上它们并变为了那条优美线条最后的一个点。
"Flap" sounds like something (a flag, a sail) flapping, and "flop" is the dull sound of something falling down flat.
而flop听着就象什么东西直直落地发出的沉闷一响.
The flapping wings of the hovering robotic insects (known as ornithopters) are very thin, lightweight and yet strong.
机器飞虫（被称为扑翼机）扑打的翅翼非常纤薄、轻质，却很牢固。
Some scientists argue that feathered dinosaurs evolved flight from the ground up, flapping their feathered arms as they ran.
一些研究者认为羽毛恐龙是从零开始进化出飞行能力的，它们在奔跑中会拍动自己带羽毛的前肢。
A wiener dog at full throttle, flying down the lane with his ears inside out and tongue flapping, is a sight worth seeing.
一只腊肠狗开足了马力飞奔在赛道上，耳朵紧夹，舌头长垂，这绝对是一个值得观看的景象。
Under these conditions, flapping, birdlike flight might well have some benefits over propeller-driven or helicopter flight.
在这种情况下，拍击，像鸟儿一样飞可能比螺旋桨推进飞行要好些。
A host or service is determined to have started flapping when its percent state change first exceeds a high flapping threshold.
当主机或服务的状态更改百分比超过最高限值时，主机或服务就会发生震荡。
Flapping occurs when a service or host changes state too frequently, resulting in a storm of problem and recovery notifications.
当服务或主机状态更改过频繁时，就会发生震荡，这会导致大量的问题和恢复通知。
The foreign embassies have been moved to Jianguomen, in the Chaoyang district, European Union flags flapping over the wire fences.
国外的使馆都迁到了朝阳区的建国门，欧盟的旗帜拍打着那里的铁栅栏。
Phase II, which started in March, is a six-month, ＄636,000 program to demonstrate a rudimentary, 3-inch flapping-wing air vehicle system.
从2008年3月开始的第二阶段，该公司将利用6个月时间和63.6万美元对这种3英寸扑翼飞行器系统进行论证。
She leaps onto the blankets, long black ears with fringed bottoms flapping behind her, right into Ira's arms to plant kisses on his face.
她会跳到毯子上，长长的黑耳朵伴着刘海挂在她头上，刚好跳到了Ira的怀中然后亲吻他的脸。
She leaps onto the blankets, long black ears with fringed bottoms flapping behind her, right into Ira's arms to plant kisses on his face.
她会跳到毯子上，长长的黑耳朵伴着刘海挂在她头上，刚好跳到了Ira的怀中然后亲吻他的脸。
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